基于拉曼散射的分布式光纤温度传感技术的研究

Reseach on distributed optical fiber temperature sensing technology based on Raman scattering theory

论述了基于拉曼散射的分布式光纤温度传感器的基本工作原理、结构、系统特点及信号处理方法。该结构及信号处理方法具有一定的空间分辨率 ,保证了系统的实用性。将分布式光纤传感器与传统的复用温度光纤传感器阵列进行了比较。通过使用分布式光纤温度传感器信号处理系统和信号处理软件相结合进行实验 ,得出结论。

This paper introduced the distributed optical fiber sensing technology which is based on Raman scattered light theory. It discusses the technology in the following aspects: basic working principle, structure, system characteristics and signal handling. This kind of structure and signal handling method had a certain spatial resolution and hence ensure practicability of the system.